• Electric charge is a fundamental property of matter that governs its interaction with electric and magnetic fields.
  • Electric charge carriers, protons (+) and electrons (-) are the primary charge carriers in matter.
  • There are two types of electric charge:
    • Positive charge: Carried by protons, found in the nucleus of atoms.
    • Negative charge: Carried by electrons, which exist in orbitals around the nucleus.
  • The smallest unit of charge is the elementary charge (e ≈ 1.602176634 × 10^-19 C), carried by each individual proton and electron.